Upper And Lower Quartile Box And Whisker. Mention the advantages of Box Plot The advantages of the box and whisker plot is. Interquartile range upper quartile - lower quartile 47 - 38 9 cm.
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Box and Whisker Plots Example 1. A box plot also known as box and whisker plot is a type of chart often used in descriptive data analysis to visually show the distribution of numerical data and skewness by displaying the data quartiles or percentiles averages. The median Q 2 divides the data set into two parts the upper set and the lower set.
Outliers may be plotted as individual points.
These lines indicate variability outside the upper and lower quartiles and any point outside those lines or whiskers is considered an outlier. The lower quartile is the median of the data set to the left of 68. Maximum Minimum First Quartile Third Quartile and Median interquartile upper limit lower limit. We can represent the list of nine numbers from Example 11 in such a Box Plot.
